How To Install Metal Roofing Over Shingles - Youtube
5install metal panels or shingles.
How to install metal roofing over shingles - youtube. Asphalt roofs typically last 20 to 30 years, depending on the installation and shingle quality. Start with an underlayment over the existing shingles: Place a sheet from top to bottom on a section of the roof.
Metal roofing, however, can last upwards of 50 years or more, making it a worthwhile investment. Then, cover the entire roof with a layer of insulation, and secure it with a staple gun. The first is to apply an approved underlayment over the old shingles.
This will help prevent water leakage and provide a buffer between the metal roof and the existing shingles. Purlins can be used to provide space between the old roofing and the new metal roofing panels. For every 2 feet of the roof, you should install 1x4 inch pine boards along the length of the roof.
I am installing a metal roof on a single wide trailer it has shingles on it i plan to remove and lay metal on the plywood i have been told i must use 2×4 perlins are they necessary also the roof has a vent that runs the length of the trailer i plan to remove it as well and run the metal over it is that acceptable It will also give you a nice, flat surface to install your panels on. A steel roof is a lifetime investment, lasting 50 years or more if it’s a good one.
Bend the metal edging to your needs if necessary and fasten it to the roof with nails at every 4 to 6 inches. 1) remove the shingles before installing the metal roof the first way to install a metal roof over shingles is by completely removing the old shingles before installing the new metal roof. While asphalt shingles are the traditional option, metal roofing is becoming more and more popular in the residential space.
Venting—the eaves to vent the roof, holes are cut in the old roof above the soffit, which pulls air through the soffit vents underneath. Measure your roof it is important to get precise measurements of your roofing area to help in determining how much material you will need. The main challenges when installing a metal roof directly over shingles with no underlayment are clip.
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